The Fourth StateRiddles are little poems or phrases that pose a question that needs answering. Riddles frequently rhyme, but this is not a requirement.
I am inside the Sun, lightning and televisions!
My name is also used for something else that is inside you.
What am I?
Plasma is a state of matter in which a gas has become supercharged with energy such that it becomes ionised, that is, some of the electrons escape their orbits and become free. It is the fourth state of matter, after solid, liquid and gas.
It is found inside the Sun and other stars, where nuclear fusion occurs. Another form of plasma is lightning, which is a high-energy electrical discharge. Plasma TVs and monitors use a thin film of an inert gas, which is excited into a plasma state to produce the picture.
Plasma was named after blood plasma - the liquid component of blood (as distinct from the blood cells).
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